Frecuency List on LTU

We plan to buy six (3 pairs) AF5HD units, and in the specifications we have seen that it is possible to use frequencies of + 4.8Ghz and +6Ghz. ¿Are these frequencies unlocked by default or are special licensed firmware required?

We are implementing them in the country of Paraguay and the regulator (called CONATEL) has told us that these frequencies are free to use plus they don´t have any type of regulation.

We would like to know if someone has experimented with these frequencies, especially 6 to 6.2 Ghz